v4.2 10th April 2007
  - Added the QtDesigner module to allow Qt Designer to be extended using PyQt.
    This includes the ability to write widget plugins in Python.  Many examples
    are included.
  - The __pyqtSignals__ class attribute is used to dynamically create new Qt 
    signals.
  - The existing QtCore.pyqtSignature() decorator can now be used to
    dynamically create new Qt slots.
  - The QtCore.pyqtProperty() function is used to dynamically create properties
    that behave as Qt properties and Python properties at the same time.
  - Added an implementation of the Qt event loop to be used with the standard
    Python DBus bindings (v0.80 and later).
  - A QGradient can be used whenever a QBrush is expected.
  - A StandardKey can be used whenever a QKeySequence is expected.
  - On X11 added the QApplication ctors that accept a Display *.
  - Added qt_set_sequence_auto_mnemonic(), qt_x11_wait_for_window_manager(),
    qt_mac_secure_keyboard(), qt_mac_set_dock_menu(),
    qt_mac_set_menubar_icons(), qt_mac_set_menubar_merge(),
    qt_mac_set_native_menubar() and qt_mac_set_press_and_hold_context() to the
    QtGui module.
  - Added support for PyOS_InputHook.
  - Added the basicsortfiltermodel.py example.

v4.1.1 9th December 2006
  - lambda functions may now be used as slots.
  - Added support for Qt Designer v4.2 palettes to pyuic4.

v4.1 4th November 2006
  - Added support for Python v2.5.
  - Added support for Qt v4.2 (except for the QtDBus module).
  - Added the QAxContainer module for the commercial version for Windows.
  - Added context manager support to the QMutexLocker, QReadLocker and
    QWriteLocker classes.
  - Added the QtTest module (only those functions that simulate user
    interaction).
  - Added the missing QStylePainter class.
  - Added the QX11EmbedContainer and QX11EmbedWidget classes for X11.
  - A Python date object can be used whenever a QDate is expected.
  - Added the QDate.toPyDate() method to convert a QDate to a Python date
    object.
  - A Python datetime object can be used whenever a QDateTime is expected.
  - Added the QDateTime.toPyDateTime() method to convert a QDateTime to a
    Python datetime object.
  - A Python time object can be used whenever a QTime is expected.
  - Added the QTime.toPyTime() method to convert a QTime to a Python time
    object.
  - Added support for Q_ENUMS and Q_FLAGS.
  - pyrcc4 now conforms to PEP 263.
  - Added the 2dpainting.py, collidingmice.py, elasticnodes.py,
    overpainting.py and webbrowser.py examples.
  - A PyQt4 API file is installed if QScintilla2 is found.

v4.0.1 15th July 2006
  - QPolygon can be constructed from a Python list of pairs of integer
    coordinates.  QPolygon.setPoints() can also take a Python list of pairs of
    integer coordinates.
  - pylupdate4 can now handle .ui files.
  - pyqt_config_args was added to pyqtconfig.py.

v4.0 10th June 2006
  - A complete rewrite for Qt v4.
